October Key Dates
Newsletter issue – October 2025
1st
- Corporation Tax payments are due for companies with a year-end of 31st December.
 
19th
- For employers operating PAYE, this is the deadline to send an Employer Payment Summary (EPS) to claim any reduction on what you'll owe HMRC.
 - It is also the deadline for employers operating PAYE to pay HMRC by post, for September.
 
22nd
- Deadline for employers operating PAYE to pay HMRC electronically, for September.
 
31st
- Corporation Tax Returns (CT600 form) are due for companies with a year-end of 31st October.